Re: [PATCH v11 08/40] btrfs: emulated zoned mode on non-zoned devices
From: David Sterba <hidden>
Date: 2021-01-13 18:01:18
Also in:
linux-fsdevel
On Tue, Dec 22, 2020 at 12:49:01PM +0900, Naohiro Aota wrote:
quoted hunk ↗ jump to hunk
@@ -296,12 +383,22 @@ int btrfs_get_dev_zone_info(struct btrfs_device *device) device->zone_info = zone_info; - /* device->fs_info is not safe to use for printing messages */ - btrfs_info_in_rcu(NULL,
NULL instead of fs_info
- "host-%s zoned block device %s, %u zones of %llu bytes",
- bdev_zoned_model(bdev) == BLK_ZONED_HM ? "managed" : "aware",
- rcu_str_deref(device->name), zone_info->nr_zones,
- zone_info->zone_size);
+ if (bdev_zoned_model(bdev) == BLK_ZONED_HM) {
+ model = "host-managed zoned";
+ emulated = "";
+ } else if (bdev_zoned_model(bdev) == BLK_ZONED_HA) {
+ model = "host-aware zoned";
+ emulated = "";
+ } else if (bdev_zoned_model(bdev) == BLK_ZONED_NONE &&
+ device->force_zoned) {
+ model = "regular";
+ emulated = "emulated ";
+ }
+
+ btrfs_info_in_rcu(device->fs_info,so what changed that it's fine to use device->fs_info now while it was not before?
+ "%s block device %s, %u %szones of %llu bytes", + model, rcu_str_deref(device->name), zone_info->nr_zones, + emulated, zone_info->zone_size); return 0;